fio -filename=/data1/fio_rand_testfile -direct=1 -iodepth=32 -thread -rw=randread -ioengine=libaio -bs=16k -size=10G -numjobs=8 -runtime=120 -group_reporting -name=mytestfio -filename=/data1/fio_write_testfile -direct=1  -iodepth=32 -thread -rw=randwrite -ioengine=libaio -bs=16k -size=10G -numjobs=8 -runtime=120 -group_reporting -name=mytest